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authorAntonino A. Daplas <adaplas@gmail.com>2007-07-17 04:05:28 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-07-17 10:23:11 -0700
commit317b3c2167f5326a7de30a1abe50c9897da7a0e3 (patch)
treee0a8481121bb54bc2e714ea3b6c89b67a881a278 /include/asm-arm
parent10eb2659cc6059d0c4de2e2c66d1534091519f56 (diff)
downloadlinux-stericsson-317b3c2167f5326a7de30a1abe50c9897da7a0e3.tar.gz
fbdev: detect primary display device
Add function helper, fb_is_primary_device(). Given struct fb_info, it will return a nonzero value if the device is the primary display. Currently, only the i386 is supported where the function checks for the IORESOURCE_ROM_SHADOW flag. Signed-off-by: Antonino Daplas <adaplas@gmail.com> Cc: David Miller <davem@davemloft.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/asm-arm')
-rw-r--r--include/asm-arm/fb.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/include/asm-arm/fb.h b/include/asm-arm/fb.h
index 4bf5b88d90bf..d92e99cd8c8a 100644
--- a/include/asm-arm/fb.h
+++ b/include/asm-arm/fb.h
@@ -1,6 +1,7 @@
#ifndef _ASM_FB_H_
#define _ASM_FB_H_
+#include <linux/fb.h>
#include <linux/fs.h>
#include <asm/page.h>
@@ -10,4 +11,9 @@ static inline void fb_pgprotect(struct file *file, struct vm_area_struct *vma,
vma->vm_page_prot = pgprot_writecombine(vma->vm_page_prot);
}
+static inline int fb_is_primary_device(struct fb_info *info)
+{
+ return 0;
+}
+
#endif /* _ASM_FB_H_ */